328 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Fortran
		
	
	
	
			
		
		
	
	
			328 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Fortran
		
	
	
	
| *> \brief \b DERRQR
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| *
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| *  =========== DOCUMENTATION ===========
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| *
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| * Online html documentation available at
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| *            http://www.netlib.org/lapack/explore-html/
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| *
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| *  Definition:
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| *  ===========
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| *
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| *       SUBROUTINE DERRQR( PATH, NUNIT )
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| *
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| *       .. Scalar Arguments ..
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| *       CHARACTER*3        PATH
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| *       INTEGER            NUNIT
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| *       ..
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| *
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| *
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| *> \par Purpose:
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| *  =============
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| *>
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| *> \verbatim
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| *>
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| *> DERRQR tests the error exits for the DOUBLE PRECISION routines
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| *> that use the QR decomposition of a general matrix.
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| *> \endverbatim
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| *
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| *  Arguments:
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| *  ==========
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| *
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| *> \param[in] PATH
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| *> \verbatim
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| *>          PATH is CHARACTER*3
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| *>          The LAPACK path name for the routines to be tested.
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| *> \endverbatim
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| *>
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| *> \param[in] NUNIT
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| *> \verbatim
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| *>          NUNIT is INTEGER
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| *>          The unit number for output.
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| *> \endverbatim
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| *
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| *  Authors:
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| *  ========
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| *
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| *> \author Univ. of Tennessee
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| *> \author Univ. of California Berkeley
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| *> \author Univ. of Colorado Denver
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| *> \author NAG Ltd.
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| *
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| *> \ingroup double_lin
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| *
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| *  =====================================================================
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|       SUBROUTINE DERRQR( PATH, NUNIT )
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| *
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| *  -- LAPACK test routine --
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| *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
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| *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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| *
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| *     .. Scalar Arguments ..
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|       CHARACTER*3        PATH
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|       INTEGER            NUNIT
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| *     ..
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| *
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| *  =====================================================================
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| *
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| *     .. Parameters ..
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|       INTEGER            NMAX
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|       PARAMETER          ( NMAX = 2 )
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| *     ..
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| *     .. Local Scalars ..
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|       INTEGER            I, INFO, J
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| *     ..
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| *     .. Local Arrays ..
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|       DOUBLE PRECISION   A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
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|      $                   W( NMAX ), X( NMAX )
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| *     ..
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| *     .. External Subroutines ..
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|       EXTERNAL           ALAESM, CHKXER, DGEQR2, DGEQR2P, DGEQRF,
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|      $                   DGEQRFP, DGEQRS, DORG2R, DORGQR, DORM2R,
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|      $                   DORMQR
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| *     ..
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| *     .. Scalars in Common ..
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|       LOGICAL            LERR, OK
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|       CHARACTER*32       SRNAMT
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|       INTEGER            INFOT, NOUT
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| *     ..
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| *     .. Common blocks ..
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|       COMMON             / INFOC / INFOT, NOUT, OK, LERR
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|       COMMON             / SRNAMC / SRNAMT
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| *     ..
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| *     .. Intrinsic Functions ..
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|       INTRINSIC          DBLE
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| *     ..
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| *     .. Executable Statements ..
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| *
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|       NOUT = NUNIT
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|       WRITE( NOUT, FMT = * )
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| *
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| *     Set the variables to innocuous values.
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| *
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|       DO 20 J = 1, NMAX
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|          DO 10 I = 1, NMAX
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|             A( I, J ) = 1.D0 / DBLE( I+J )
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|             AF( I, J ) = 1.D0 / DBLE( I+J )
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|    10    CONTINUE
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|          B( J ) = 0.D0
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|          W( J ) = 0.D0
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|          X( J ) = 0.D0
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|    20 CONTINUE
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|       OK = .TRUE.
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| *
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| *     Error exits for QR factorization
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| *
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| *     DGEQRF
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| *
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|       SRNAMT = 'DGEQRF'
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|       INFOT = 1
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|       CALL DGEQRF( -1, 0, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DGEQRF( 0, -1, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK )
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|       INFOT = 4
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|       CALL DGEQRF( 2, 1, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK )
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|       INFOT = 7
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|       CALL DGEQRF( 1, 2, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRF', INFOT, NOUT, LERR, OK )
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| *
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| *     DGEQRFP
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| *
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|       SRNAMT = 'DGEQRFP'
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|       INFOT = 1
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|       CALL DGEQRFP( -1, 0, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DGEQRFP( 0, -1, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK )
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|       INFOT = 4
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|       CALL DGEQRFP( 2, 1, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK )
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|       INFOT = 7
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|       CALL DGEQRFP( 1, 2, A, 1, B, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRFP', INFOT, NOUT, LERR, OK )
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| *
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| *     DGEQR2
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| *
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|       SRNAMT = 'DGEQR2'
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|       INFOT = 1
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|       CALL DGEQR2( -1, 0, A, 1, B, W, INFO )
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|       CALL CHKXER( 'DGEQR2', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DGEQR2( 0, -1, A, 1, B, W, INFO )
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|       CALL CHKXER( 'DGEQR2', INFOT, NOUT, LERR, OK )
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|       INFOT = 4
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|       CALL DGEQR2( 2, 1, A, 1, B, W, INFO )
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|       CALL CHKXER( 'DGEQR2', INFOT, NOUT, LERR, OK )
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| *
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| *     DGEQR2P
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| *
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|       SRNAMT = 'DGEQR2P'
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|       INFOT = 1
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|       CALL DGEQR2P( -1, 0, A, 1, B, W, INFO )
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|       CALL CHKXER( 'DGEQR2P', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DGEQR2P( 0, -1, A, 1, B, W, INFO )
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|       CALL CHKXER( 'DGEQR2P', INFOT, NOUT, LERR, OK )
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|       INFOT = 4
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|       CALL DGEQR2P( 2, 1, A, 1, B, W, INFO )
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|       CALL CHKXER( 'DGEQR2P', INFOT, NOUT, LERR, OK )
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| *
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| *     DGEQRS
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| *
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|       SRNAMT = 'DGEQRS'
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|       INFOT = 1
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|       CALL DGEQRS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DGEQRS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DGEQRS( 1, 2, 0, A, 2, X, B, 2, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK )
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|       INFOT = 3
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|       CALL DGEQRS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DGEQRS( 2, 1, 0, A, 1, X, B, 2, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK )
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|       INFOT = 8
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|       CALL DGEQRS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK )
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|       INFOT = 10
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|       CALL DGEQRS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO )
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|       CALL CHKXER( 'DGEQRS', INFOT, NOUT, LERR, OK )
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| *
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| *     DORGQR
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| *
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|       SRNAMT = 'DORGQR'
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|       INFOT = 1
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|       CALL DORGQR( -1, 0, 0, A, 1, X, W, 1, INFO )
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|       CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DORGQR( 0, -1, 0, A, 1, X, W, 1, INFO )
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|       CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DORGQR( 1, 2, 0, A, 1, X, W, 2, INFO )
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|       CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 3
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|       CALL DORGQR( 0, 0, -1, A, 1, X, W, 1, INFO )
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|       CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 3
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|       CALL DORGQR( 1, 1, 2, A, 1, X, W, 1, INFO )
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|       CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORGQR( 2, 2, 0, A, 1, X, W, 2, INFO )
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|       CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 8
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|       CALL DORGQR( 2, 2, 0, A, 2, X, W, 1, INFO )
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|       CALL CHKXER( 'DORGQR', INFOT, NOUT, LERR, OK )
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| *
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| *     DORG2R
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| *
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|       SRNAMT = 'DORG2R'
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|       INFOT = 1
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|       CALL DORG2R( -1, 0, 0, A, 1, X, W, INFO )
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|       CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DORG2R( 0, -1, 0, A, 1, X, W, INFO )
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|       CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DORG2R( 1, 2, 0, A, 1, X, W, INFO )
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|       CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 3
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|       CALL DORG2R( 0, 0, -1, A, 1, X, W, INFO )
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|       CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 3
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|       CALL DORG2R( 2, 1, 2, A, 2, X, W, INFO )
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|       CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORG2R( 2, 1, 0, A, 1, X, W, INFO )
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|       CALL CHKXER( 'DORG2R', INFOT, NOUT, LERR, OK )
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| *
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| *     DORMQR
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| *
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|       SRNAMT = 'DORMQR'
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|       INFOT = 1
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|       CALL DORMQR( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DORMQR( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 3
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|       CALL DORMQR( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 4
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|       CALL DORMQR( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORMQR( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORMQR( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORMQR( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 7
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|       CALL DORMQR( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 7
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|       CALL DORMQR( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 10
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|       CALL DORMQR( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 12
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|       CALL DORMQR( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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|       INFOT = 12
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|       CALL DORMQR( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
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|       CALL CHKXER( 'DORMQR', INFOT, NOUT, LERR, OK )
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| *
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| *     DORM2R
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| *
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|       SRNAMT = 'DORM2R'
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|       INFOT = 1
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|       CALL DORM2R( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 2
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|       CALL DORM2R( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 3
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|       CALL DORM2R( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 4
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|       CALL DORM2R( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORM2R( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORM2R( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 5
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|       CALL DORM2R( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 7
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|       CALL DORM2R( 'L', 'N', 2, 1, 0, A, 1, X, AF, 2, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 7
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|       CALL DORM2R( 'R', 'N', 1, 2, 0, A, 1, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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|       INFOT = 10
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|       CALL DORM2R( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO )
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|       CALL CHKXER( 'DORM2R', INFOT, NOUT, LERR, OK )
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| *
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| *     Print a summary line.
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| *
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|       CALL ALAESM( PATH, OK, NOUT )
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| *
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|       RETURN
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| *
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| *     End of DERRQR
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| *
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|       END
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